Petroleum Methods Word Scramble
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| Question | Answer |
| What does the acronym LWD stand for? | Logging while drilling |
| MWD | Measurements while drilling |
| Logs measure? | Formation thickness, porosity, water saturation |
| SoPhiHt | Oil saturation equals (1-sw) porosity (thickness) |
| Why is Henri Doll important to petrologists? | He was a leading figure in the development of oil well logging in creation of the phase detection circuitry |
| Archimedes important because of? | discovery of density |
| Darcy important because of? | equation relating laminar flow of a fluid |
| SP deflects to the left in Sand or Shale? | Sand |
| GR deflects to the right in Sand or Shale? | Shale |
| Resistivity is higher in water or oil | Oil |
| Shale rocks have high or low resistivity? | Low |
| High concentration of H indicates oil or gas? | Oil |
| Density- Neutron crossover indicates? | Gas |
| The rock layer holding down the hydrocarbon is called? | Caprock |
| Why is the resistivity curve important? | It distinguishes between salt water(fair conductor) and hydrocarbons(insulators) |
| MWD tools are mainly concerned with? | bit position and wellbore trajectory |
| MWD send information to the surface using? | pressure pulses in the mud column |
| The triple combo consist of? | Induction laterolog, SP and GR, Density, Dual speed, Caliper |
| What addition gives the Quad combo | Sonic log |
| What does GR measure? | natural radioactivity from K,Th, U |
| _______________ is the most accurate core analysis to wireline log | Whole coring |
| Advantages of sidewall coring | Faster and less expensive |
| logging run is ___ | one trip up and down |
| What is the unit of conductivity? | mho (1/(ohm*meter)) |
| Induction log measure? | direct measurement made by ind. log devices rep. conductivity |
| An API gravity of 38 would fluorescence? | White |
| Rock resistivity is dependent on? | Porosity, water saturation and water resisitivity |
| Which of the following factors has the LEAST impact on casing seat selection? A. Rate of Penetration B. Pore pressure C. Kick tolerance D. Fracture gradient | A |
| Which of the following is NOT a typical cause for a fishing job? A. Cementing error B. Differential sticking C. Swelling zone D. Use of oil-base mud | D |
| Which of the following is NOT a component of the hoisting equipment for a drilling rig? A. Crown block B. Drawworks C. Drilling line D. Rotary table | D |
| Which of the following is NOT a primary function of drilling fluids? A. Cuttings removal B. Frac proppant C. Lubrication and cooling D. Well control | B |
| Which of the following methods is MOST likely to hydrostatically balance a well kick with only one circulation? A. Concurrent B. Driller’s C. Toolpusher’s D. Wait and weight | D |
| Which of the following is a DISADVANTAGE of air drilling? A. Differential pipe sticking is eliminated B. Downhole explosions or fire may occur C. Lost circulation may be reduced D. Reduced thawing of frozen zones | B |
| Which of the following is the LEAST likely characteristic of a reservoir fluid? A. Compressible liquid B. Gas C. Incompressible liquid D. Superfluid | D |
| Resistivity measurements alone can be used to differentiate oil zones from gas (true/false) | False |
| Low-permeability or tight gas reservoirs ordinarily produce at economic rates because they are | Stimulated with long, highly conductive hydraulic fractures |
| How many points in 3D space are needed to define a plane? line? | 3,2 |
| How many planes can be defined from 6 dipmeter resistivity curves? | 6C3 =20 planes |
| Which resistivity tool do we use while drilling with a salt based mud? | Laterolog |
| What direction does the drill bite rotate? CW/CCW | Google it |
| What are drill bits made of? | usually steel, tungsten carbide, and/or synthetic or natural diamonds. |
| In 1990, Iraq accused Kuwait of stealing Iraq's oil through _____ | slant drilling |
| Two methods of suppressing a kick | Driller's method, wait and weight method |
| Fractures aka _______ | cleats |
| What does TVD means? | True Vertical Depth |
| Four parts of a rotary rig are called? | Power, hoisting, rotating and circulating systems. |
| Power from diesel engines are transmitted to a? | Compounder |
| Supports the hoisting system? | Derrick or mast |
| 3 parts of a derrick | Brace, girt and leg |
| Hoisting line is made of? | braided steel would around a fiber to steel core |
| Drillpipe, bit and drill collar are collectively called? | Drillstring |
| What is pipe dope (it is not a drug!) | lubricant applied to thread e.g. grease |
| What is a Kelly bushing, what does it fit into? | 4/6 six sided high grade steel pipe that allows rotation by the rotary table, it fits into a master bushing |
| What is a mouse hole? | hole used to add extension to pipe. It is located on the drill floor |
| What is a gauge hole? | A hole of a specific minimum diameter |
| How old are you? | Wrong! You’re five! |
| What is the job of the circulating system? | pumps drilling mud in and out of the well hole |
| What is matrix density? | Density of the compacted rock excluding water, oil and pore spaces |
| What is ppm and what is it used for? | Parts per million, to regulate anything (salinity, sulfide content) |
| Rate of temperature increase is called? | Geothermal gradient |
| Rate of pressure increase is called? | Pressure difference divided by distance(depth difference) |
| Define azimuth | Compass orientation |
| Define deviation | Angle of dip from vertical |
| Advantages of submersible rigs? | Can be moved easily by using a towing ship after completion to another location |
| what tool is used to build angles? | whipstock |
Created by:
Tosmola09
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